arch/all-hosted/hostlib/hostlib_intern.h

   1 #ifndef HOSTLIB_INTERN_H
   2 #define HOSTLIB_INTERN_H
   3
   4 #include <exec/nodes.h>
   5 #include <exec/semaphores.h>
   6
   7 /*
   8  * Windows is a very harsh environment.
   9  * It requires us to Forbid() in order to call itself.
  10  */
  11 #ifdef HOST_OS_mingw32
  12 #define USE_FORBID_LOCK
  13 #endif
  14
  15 struct HostLibBase
  16 {
  17     struct Node hlb_Node;
  18     struct HostInterface *HostIFace;
  19 #ifndef USE_FORBID_LOCK
  20     struct SignalSemaphore HostSem;
  21 #endif
  22 };
  23
  24 #ifdef USE_FORBID_LOCK
  25 #define HOSTLIB_LOCK()   Forbid()
  26 #define HOSTLIB_UNLOCK() Permit()
  27 #else
  28 #define HOSTLIB_LOCK()   ObtainSemaphore(&HostLibBase->HostSem)
  29 #define HOSTLIB_UNLOCK() ReleaseSemaphore(&HostLibBase->HostSem)
  30 #endif
  31
  32 #endif